Brenda Kerrigan, wife of Daniel Kerrigan, testifies for the defense during her son Mark Kerrigan's trial Wednesday, May 18, 2011 at Middlesex District Court in Woburn, Mass. Mark Kerrigan is charged ... more

Brenda Kerrigan, wife of Daniel Kerrigan, testifies for the defense during her son Mark Kerrigan's trial Wednesday, May 18, 2011 at Middlesex District Court in Woburn, Mass. Mark Kerrigan is charged with manslaughter in the January 2010 death of his father, Daniel Kerrigan. less